What does stoolie mean?
A person who informs on others, especially in return for money or other rewards; an informer. A stool is an old-fashioned term for a chair, and a stoolie is someone who sits on a stool, often figuratively, to listen in on others.
Example
"The stoolie in the bar overheard the conversation and reported it to the police."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.